55511461 has 2 divisors, whose sum is σ = 55511462. Its totient is φ = 55511460.

The previous prime is 55511459. The next prime is 55511471. The reversal of 55511461 is 16411555.

It is a happy number.

55511461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 16760836 = 6225^2 + 4094^2 .

It is a cyclic number.

It is not a de Polignac number, because 55511461 - 2¹ = 55511459 is a prime.

Together with 55511459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55511471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755730 + 27755731.

It is an arithmetic number, because the mean of its divisors is an integer number (27755731).

Almost surely, 2^55511461 is an apocalyptic number.

It is an amenable number.

55511461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511461 is an equidigital number, since it uses as much as digits as its factorization.

55511461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 28.

The square root of 55511461 is about 7450.6013851232. The cubic root of 55511461 is about 381.4704361327.

The spelling of 55511461 in words is "fifty-five million, five hundred eleven thousand, four hundred sixty-one".